H812R7BDA

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Through-Hole Resistors are resistors that are designed to be mounted through the hole of a printed circuit board (PCB). The resistors can either be single-leaded or double-leaded, and can have either an insulated or uninsulated body. Through-hole resistors are typically used in large-scale applications, such as in cars and heavy machinery, where a strong and stable resistor connection is required.

The H812R7BDA through-hole resistor is designed for applications where space is a premium. It provides a wide range of resistor values in SMT packages with incredibly small dimensions, making it ideal for densely-packed PCBs. The resistance range for the H812R7BDA is from 10Ω to 1MΩ, with maximum power ratings ranging from 0.5W to 12W.

The H812R7BDA through-hole resistor consists of a cylindrical ceramic body that is filled with a resistive carbon material. The internal material would be exposed to heat and electrical current, so the body is insulated with glass wool, enamel, or plastic. The end caps are sealed to ensure no foreign particles enter the ceramic body, thus preventing corrosion. The ceramic body itself acts as a heat sink, dissipating heat away from the resistive material to reduce the chance of damage.

The working principle of the H812R7BDA through-hole resistor is based on Ohm\'s law. The physics behind Ohm\'s law states that the current passing through a conductor is directly proportional to the voltage across it. This means that when the voltage across the resistor increases, the current passing through it will increase as well. As a result, the resistor will dissipate more energy and the temperature of the resistor will increase. If the power dissipated exceeds the rated value, the resistor will be damaged.

The H812R7BDA through-hole resistor has a wide range of applications including radios, audio amplifiers, DC/AC circuits, computers, and industrial equipment. Its insulated body ensures that it is capable of safely handling large currents, while its small size allows it to be used in devices with limited physical space. Additionally, its wide resistance range makes it suitable for a range of applications, ranging from basic voltage division to precision current limiting.

In conclusion, the H812R7BDA through-hole resistor is a versatile and reliable component that is suitable for a variety of applications. It is constructed of an insulated ceramic body, filled with a resistive carbon material, and is sealed at both ends in order to achieve maximum functionality and longevity. The resistance range for the H812R7BDA ranges from 10Ω to 1MΩ, with power ratings of up to 12W. Through its wide range of features, the H812R7BDA makes an ideal choice for those looking for a reliable and compact resistor for their PCBs.

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